CN103972530B - The glass bead temperature, pressure bleeder design of the sensor integration of hydrogen storage system - Google Patents

The glass bead temperature, pressure bleeder design of the sensor integration of hydrogen storage system Download PDF

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Publication number
CN103972530B
CN103972530B CN201410092362.8A CN201410092362A CN103972530B CN 103972530 B CN103972530 B CN 103972530B CN 201410092362 A CN201410092362 A CN 201410092362A CN 103972530 B CN103972530 B CN 103972530B
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China
Prior art keywords
pressure
release plunger
storage tank
fuel storage
ball
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CN201410092362.8A
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Chinese (zh)
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CN103972530A (en
Inventor
A·黑泽
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GM Global Technology Operations LLC
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GM Global Technology Operations LLC
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Priority to US13/759380 priority Critical
Priority to US13/759,380 priority patent/US9012103B2/en
Priority to US13/759,380 priority
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/36Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
    • F16K17/38Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
    • F16K17/383Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/002Actuating devices; Operating means; Releasing devices actuated by temperature variation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/04Arrangement or mounting of valves
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201Reactant storage and supply, e.g. means for feeding, pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01Shape
    • F17C2201/0104Shape cylindrical
    • F17C2201/0109Shape cylindrical with exteriorly curved end-piece
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05Size
    • F17C2201/058Size portable (<30 l)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01Mounting arrangements
    • F17C2205/0153Details of mounting arrangements
    • F17C2205/0188Hanging up devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0311Closure means
    • F17C2205/0314Closure means breakable, e.g. with burst discs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00Handled fluid, in particular type of fluid
    • F17C2221/01Pure fluids
    • F17C2221/012Hydrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107Single phase
    • F17C2223/0123Single phase gaseous, e.g. CNG, GNC
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036Very high pressure (>80 bar)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04Indicating or measuring of parameters as input values
    • F17C2250/0404Parameters indicated or measured
    • F17C2250/043Pressure
    • F17C2250/0434Pressure difference
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04Indicating or measuring of parameters as input values
    • F17C2250/0404Parameters indicated or measured
    • F17C2250/0439Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00Purposes of gas storage and gas handling
    • F17C2260/04Reducing risks and environmental impact
    • F17C2260/042Reducing risk of explosion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00Applications
    • F17C2270/01Applications for fluid transport or storage
    • F17C2270/0165Applications for fluid transport or storage on the road
    • F17C2270/0168Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0171Trucks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00Applications
    • F17C2270/01Applications for fluid transport or storage
    • F17C2270/0165Applications for fluid transport or storage on the road
    • F17C2270/0168Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0176Buses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00Applications
    • F17C2270/01Applications for fluid transport or storage
    • F17C2270/0165Applications for fluid transport or storage on the road
    • F17C2270/0168Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0178Cars
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00Applications
    • F17C2270/01Applications for fluid transport or storage
    • F17C2270/0165Applications for fluid transport or storage on the road
    • F17C2270/0184Fuel cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
    • Y10T137/0396Involving pressure control
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/1624Destructible or deformable element controlled
    • Y10T137/1797Heat destructible or fusible

Abstract

A kind of TPRD for high pressure storage vessel, it includes and the integrated pressure sensor activating mechanisms combine;A kind of method with TPRD monitored for using in the fuel cell system.Described TPRD includes the release plunger that can move between the open and closed positions, and it controls gas and flows through gas outlet's port from fuel storage container.The described heat activated mechanism that activates includes chamber, gas access and has the liquid filling ball of air bubble.When activating, described release plunger moves to open position from closed position.Pressure in described integrated pressure sensor detection TPRD.Pressure differential between fluid pressure in described fuel storage container and the pressure in TPRD provides the instruction that motion is weakened of described release plunger.

Description

The glass bead temperature, pressure bleeder design of the sensor integration of hydrogen storage system
Background technology
The present invention generally relates to the temperature, pressure bleeder (TPRD) of high pressure storage vessel, and more particularly, to the integrated pressure sensor TPRD for fuel storage system.
Electrochemical conversion cell (so-called fuel cell) produces electric energy by processing reactant (such as, by the oxidation of hydrogen and oxygen and reduction reaction).Hydrogen is a kind of fuel had a great attraction, because it is clean, and can with producing electric power in a fuel cell efficiently.At hydrogen fuel cell as in the development of vehicle power source, auto industry has taken ample resources.Thered is provided the vehicle of power by more more efficient than the vehicle of current employing internal combustion engine by hydrogen fuel cell, and produce less emission.
In typical fuel cell system, hydrogen or hydrogen-rich gas are fed to the anode-side of fuel cell as reactant, and oxygen (such as using the form of aerial oxygen) is fed to the cathode side of fuel cell as reactant.A kind of form (being called PEM (PEM) fuel cell) of fuel cell demonstrates special prospect for vehicle and relevant motor-driven application.The dielectric substrate of PEM fuel cell is the form that solid proton transmits film (such as perfluoro sulfonic acid membrane, its commercialization example is NafionTM).The existence of the anode separated from negative electrode by dielectric substrate forms single PEM fuel cell;Many this single batteries can combine formation fuel cell unit, thus adding the output of its power.Multiple set of cells can be linked together to increase power output further.
Hydrogen for fuel cell is commonly stored in lightweight high-pressure bottle (its being folded without breaking).These high-pressure bottles generally include TPRD.Connect the internal flow of described TPRD and container, and it is configured to be discharged by tank atmosphere when activated.The activation of TPRD may be in response to emergency (such as, in case of fire) and occurs.Activating TPRD allows tank atmosphere to discharge from system.Typical high-pressure bottle TPRD includes disposable activation mechanism, for instance, the liquid with air bubble fills ball.When heated, air bubble expands, and just makes liquid fill ball fractured once the temperature reaching to specify.When liquid fills ball fractured, complete ball the release plunger being held in place is released, thus opening gas release valve door.Afterwards, gas overflows to avoid the superpressure state because of high temperature generation and the associated damage for system by Drainage valve.
In some cases, in the lifetime of TPRD, due to mechanical blockage (such as corrosion or other mechanical influence between piston and housing), release plunger is likely to become to block.When this happens, release plunger will not move (even if liquid fills ball fractured), and tank atmosphere can not be discharged.At present, it does not have mechanical blockage and the relevant release plunger of way monitoring TPRD lack movement.
Summary of the invention
According to the disclosure, it is shown that a kind of TPRD for high pressure storage vessel.According to one embodiment of present invention, a kind of it is described for the integrated pressure sensor TPRD based on the hydrogen storage system of the propulsion system of fuel cell, and it includes the TPRD used along with fuel storage tank.Described TPRD includes housing, and described housing has pipeline and gas outlet port, and gas can flow through described housing from fuel storage tank whereby.Release plunger (it is arranged in described pipeline) can move between the open and closed positions.When described release plunger is positioned at closed position, gas can not flow through described gas outlet port from described fuel storage tank.The mechanism that activates in TPRD includes chamber, gas access and has the liquid filling ball of air bubble.When the temperature in fuel storage tank rises, air bubble will expand and make ball fractured, to allow release plunger to move to open position from closed position.Pressure transducer with described activation mechanisms combine, it is possible to detect the pressure of fluid in fuel storage tank and be applied to the pressure on ball or the pressure differential (this depends on the position of pressure transducer) being applied between the pressure in release plunger due to the pressure in fuel storage tank by release plunger.When this pressure differential being detected, produce the instruction that signal is weakened to provide the motion of release plunger.
According to another embodiment of the invention, a kind of fuel cell system is described.Described system includes the fuel cell unit being made up of multiple fuel cells, fuel cell each includes the anode receiving load hydrogen fluid, in order to receive the negative electrode of oxygen carrier fluid, and cooperate to transmit in-between the medium of at least one catalytic ionization reactant with described anode and negative electrode.Described fuel cell system includes fuel storage container shown and described above and integrated pressure sensor TPRD.
According to another aspect of the present invention, the method describing a kind of monitoring TPRD for using in mobile vehicle fuel cell system.Described method includes storage gas in fuel storage tank, and is determined the movement of release plunger by detection gas in fuel storage tank and the pressure differential between the pressure in TPRD.Described TPRD (itself and described fuel storage tank fluid communication) includes the pressure transducer of adjacent positioned, release plunger and liquid and fills ball.
Accompanying drawing explanation
When reading in conjunction with figure below, the described in detail below of the preferred embodiment of the present invention can be best understood, and wherein, identical structure represents with identical accompanying drawing instruction, and wherein:
Fig. 1 is that the perspective of the vehicle with fuel cell propulsion system is decided what is right and what is wrong figure;
Fig. 2 is the simplification bottom view on the chassis of vehicle in Fig. 1, and it is highlighted the symbolic layout of the TPRD according to one aspect of the invention and its layout in fuel cell propulsion system;
Fig. 3 is the simplification view of the TPRD system according to the disclosure;
Fig. 4 is the simplification view of the alternate embodiment of the TPRD system according to the disclosure;And
Fig. 5 is the simplification view of the TPRD system being activated according to the disclosure.
Detailed description of the invention
Embodiments of the invention include the high-pressure bottle with TPRD, and described TPRD couples with the inside of high-pressure bottle, and described high-pressure bottle is configured to the gas (tank atmosphere) comprised in amount discharge container when activating described TPRD.The activation of TPRD can occur in response to the rising of temperature in high-pressure bottle, and it allows tank atmosphere to discharge from described system.The liquid comprising air bubble is filled ball and gas release plunger is held in place.Described air bubble (itself and described tank atmosphere thermal communication) expands when reaching the temperature specified and makes liquid fill ball fractured, thus discharging described release plunger, this opens gas release valve door then.Afterwards, gas is overflowed by described gas release valve door to avoid superpressure state.In order to detect the movement of release plunger, pressure transducer can be located at liquid and fills between ball and release plunger, or described liquid is filled ball and be can be located between described release plunger and pressure transducer.When described pressure transducer is filled between ball and release plunger at described liquid, described pressure transducer detects the pressure applied due to the gas pressure in container by release plunger.When described liquid filling ball is between described pressure transducer and described release plunger, the detection of described pressure transducer is applied to liquid due to the gas pressure in container by release plunger and fills the pressure on ball.If this pressure detected and the pressure (remotely detection) different (namely there is pressure △) in gas container, this shows that tank atmosphere can not reach piston or described piston is no longer filled ball with described liquid and contacted, because there is blocking in the duct.Such blocking stops piston to move (even if when making liquid fill ball fractured or be removed relatively).
According to shown here as and the embodiment that describes, with reference first to Fig. 1, it is shown that vehicle 2.Vehicle 2 (such as, car, bus, truck, or motorcycle) include the propulsion system 100 based on fuel cell, it is made up of the motor 150 receiving its electrical power from fuel cell unit 200, and described fuel cell unit 200 includes multiple independent fuel cell.In a preferred form, described propulsion system 100 is based on hydrogen, and one or more fuel storage gas container 210 can be included, 220 (here for symbolically to illustrate, and illustrate in further detail in fig. 2), and power inverter or associated electronic device 300, electronic storage device is (such as, accumulator 310, ultracapacitor or the like) and its operation is provided the controller controlled and any amount of valve, compressor, pipeline, thermoregulator and other auxiliary equipment.The symbolic description of fuel storage gas container 210,220 is not meant to represent specific shape, size or relevant configuration, and it will be appreciated by those skilled in the art that this feature can depend on that the configurability needs on chassis 2 shown in Fig. 2 adjust.
The different types of fuel cell of any quantity can be used for constituting the set of cells 200 of propulsion system 100;These batteries can be metal hydride, (electrogalvanic) or other modification of alkalescence, galvanic electricity.In preferred (but optional) form, fuel cell is PEM fuel cell discussed above.Set of cells 200 includes multiple this fuel cell, and its series connection and/or parallel combination are to produce higher voltage and/or current field.Motor 150 can be supplied directly into after electrical power produced by propulsion system 100, or be stored in accumulator 310, capacitor or relevant electronic storage device (not shown), use for after vehicle 2.
With reference next to Fig. 2, the tank mounting arrangements of high pressure hydrogen storage tank being illustrated to the chassis 1 of vehicle 2, its four wheels 5 are installed to by the machine-direction oriented framework 10 being partially fabricated of tubular steel.Framework 10 is that the major part on chassis 1 has the vehicle body of (remaining) parts and vehicle 2 and provides main structure to support;The relevant design attribute that intrinsic many load bearing capacities its size due to of framework 10, shape, material select and skilled artisan understands that.The propulsion system 100 based on fuel cell as shown in Figure 1 can be arranged in chassis 1 any suitable position, for instance, in the drawings between the front-wheel 5 shown in left side.Gaseous fuel for using in based on the propulsion system 100 of fuel cell is stored in one or more gas container, referred to herein as fuel storage tank 210,220.In the pattern described by Fig. 2, a pair such tank includes bigger main gas container 210 and less secondary gas container 220.Container 210,220 both of which can adopt known device (such as crossbar 30, band 40 and handle 50) to be fixed on chassis 1.It will be appreciated that any tank mounting arrangements, can be compatible with the present invention based on the propulsion system of fuel cell system or pressure pan storage system.
With reference now to Fig. 3, it is shown that the TPRD4 in gas container 210,220.The internal fluid communication of TPRD4 and gas container 210,220, and be configured to discharge the gas in gas container 210,220 when activated.Described TPRD4 includes housing 6, and described housing 6 has pipeline 8 and gas outlet port 12, and it is configured to allow for gas and flows through housing 6 from gas container 210,220.Release plunger 14 is slidably disposed in pipeline 8 (shown in Fig. 5), and when TPRD4 is actuated, described release plunger 14 can move between closed position (going out as presently illustrated) and open position.Upon reaching a predetermined temperature, described TPRD4 can be actuated.When release plunger 14 is positioned at closed position (as shown in Figure 3), gas can not leave gas outlet's port 12 via pipeline 8 and from gas container 210,220 flow in ambient air, because release plunger 14 is by clogging to pipeline 8 and gas outlet port 12 both of which.But, when release plunger 14 moves to open position (as shown in Figure 5) from closed position, pipeline 8 and gas outlet port 12 both of which do not have blocked, thus allowing tank atmosphere to flow through housing 6 from gas container 210,220.Described TPRD4 also includes pressure transducer 16 and activates mechanism 18.The described mechanism 18 that activates includes at least one chamber, gas access 22 and has the liquid filling ball 24 of air bubble.From the gas of gas container 210,220 through chamber, gas access 22 so that liquid filling ball 24 is exposed in the environment in gas container 210,220.When the temperature in gas container 210,220 rises, air bubble expands and makes liquid fill ball 24 and breaks, and this allows release plunger 14 to be moved through pipeline 8 and entrance is filled in the space that ball is vacateed by liquid.Thus dredge both pipeline 8 and gas outlet port 12, and allow gas flow through pipeline 8 from gas container 210,220 and flow out in air via outlet port 12.This moves permission gas and discharges from gas container 210,220, it is therefore prevented that the superpressure state produced owing to temperature rises (being typically due in gas container 210,220 or around catch fire cause).Described activation mechanism 18 is arranged in protection lid 26, and liquid is filled being environmentally isolated out of ball 24 and gas container 210,220 by described protection lid 26.
In order to determine the movement of release plunger 14, by the pressure in TPRD4 with the pressure ratio in gas container 210,220 relatively.Detect between pressure in TPRD4 and the pressure in gas container 210,220 that pressure differential instruction release plunger 14 is not movable.Integrated pressure transducer 16 allows the on-line monitoring release plunger 14 movement in the TPRD4 assembled.This security feature allows monitoring system lifetim.Pressure transducer 16, release plunger 14 and liquid are filled ball 24 and are adjacent to (namely in order) location (it is, filling ball 24 with pressure transducer 16, release plunger 14 and liquid is sequentially position contiguously).
In the embodiment shown in fig. 3, pressure transducer 16 is set between release plunger 14 and liquid filling ball 24.Pressure transducer 16 detects the pressure applied due to the pressure in gas container 210,220 by release plunger 14.If release plunger 14 do not have blocked (namely, it can move along the direction of arrow instruction, but not " freezing " is in original place because of corrosion, wear, damage or other obstacles), the pressure being applied on pressure biography sensor 16 by release plunger 14 will with gas container 210, pressure in 220 identical (that is, throughout the pressure of system will be equal).But, if release plunger 14 is blocked or is otherwise prevented from mobile, between pressure and the pressure applied by release plunger 14 in gas container 210,220, will there is pressure differential.This is possibly due to certain mechanical blockage and stops the gas from gas container 210,220 to arrive release plunger 14.This is to indicate, and crushes even if liquid fills ball 24, and release plunger 14 can not move, and thus will not move to open position from closed position.Which prevent superpressure state and system associated damage fail to carry out in case of emergency to be emptied by gas container 210,220.
In the alternate embodiment of the disclosure shown in the diagram, liquid fills ball 24 between pressure transducer 16 and release plunger 14.Pressure transducer 16 detects and is applied to the pressure on liquid filling ball 24 by release plunger 14.As discussed above with reference to Fig. 3, if release plunger 14 moves freely, release plunger 14 pressure pressed will be identical with the pressure in gas container 210,220, i.e. the pressure throughout system will be equal.If the pressure transducer 16 pressure in gas container 210,220 and be applied to liquid by release plunger 14 and fill and pressure differential detected between the pressure on ball 24, this indicates release plunger 14 is irremovable.
Fig. 5 illustrates TPRD4 as described above with reference to Figure 3, and wherein, release plunger 14 when liquid filling ball 24 breaks, moves to open position from closed position.When release plunger 14 not blocking, when temperature rises to the air bubble expansion being sufficient so that in liquid filling ball 24, liquid is filled ball 24 and is once filled breaking and allowing release plunger 14 to proceed in the space that ball 24 occupies by liquid.This opens outlet port 12, and allows gas to pass through pipeline 8 to discharge and leave gas container 210,220 via outlet port 12.This prevent superpressure state and the associated damage to system caused by the pressure set up in gas container 210,220.
In one form, controller 320 can be connected to the pressure transducer 16 of TPRD4, to receive the pressure signal sensed and to provide output signal (such as, the instruction of pressure differential or the abnormal operation state relevant to TPRD4 operation).Skilled person will appreciate that, this controller (it can be the form of programmable logic controller (PLC) (PLC)) includes digital processing capabilities, and described digital processing capabilities design (interface by suitable) becomes to receive input signal and produces output control signal by CPU (CPU).This controller may also include storage on it computer-readable medium of computer executable instructions.It will also be understood that, this controller may make up a part for bigger control system, described control system can be used in all parts communication with propulsion system 10o, in order to coordinates their operation and provides the information interface between vehicle 2 and passenger, driver or other users.
Although for the purpose explaining the present invention, have been illustrated with some representational embodiment and details, and it will be apparent to one skilled in the art that when without departing from the scope of the invention being defined by the following claims, it is possible to make various change.

Claims (8)

1. the temperature, pressure bleeder for using together with fuel storage tank, described device includes:
Housing, described housing has the pipeline and the gas outlet port that allow gas to flow through described housing from described fuel storage tank, and release plunger, described release plunger is arranged in described pipeline, can move between the open and closed positions, so that when in closed position, gas can not flow to described gas outlet port from described fuel storage tank;
Activate mechanism, it includes chamber, gas access and has the liquid filling ball of air bubble, wherein, when the temperature in described fuel storage tank rises, described air bubble expands and makes described ball fractured, in order to allow described release plunger to move to open position when described ball fractured from closed position;And
Pressure transducer, it is with described activation mechanisms combine, so that when the pressure of fluid in described fuel storage tank being detected and at the pressure being applied on described ball by described release plunger with when being applied to the pressure differential between at least one in the pressure in described release plunger due to the pressure in described fuel storage tank, producing the instruction that signal is weakened to provide the motion of described release plunger.
2. the temperature, pressure bleeder described in claim 1, wherein, described activation mechanism is arranged in protection lid.
3. the temperature, pressure bleeder described in claim 1, wherein, described ball is between described pressure transducer and described release plunger.
4. the temperature, pressure bleeder described in claim 1, wherein, described pressure transducer is filled between ball in described release plunger and described liquid.
5. a fuel storage tank, including the temperature, pressure bleeder described in claim 1.
6. a fuel cell system, including:
Fuel cell unit, it includes multiple fuel cell, described fuel cell each includes the anode receiving load hydrogen fluid, in order to receive the negative electrode of oxygen carrier fluid, and cooperates to transmit in-between the medium of at least one catalytic ionization reactant with described anode and described negative electrode;
The anode flow path connected with described anode fluid;
The Cathode flow path connected with described cathode fluid;And
Fuel storage tank, it includes
Fuel storage tank;
The temperature, pressure bleeder used together with described fuel storage tank, described device includes:
Housing, described housing has the pipeline and the gas outlet port that allow gas to flow through described housing from described fuel storage tank, and release plunger, described release plunger is arranged in described pipeline, can move between the open and closed positions, so that when in closed position, gas can not flow to described gas outlet port from described fuel storage tank;
Activate mechanism, it includes chamber, gas access and has the liquid filling ball of air bubble, wherein, when the temperature in described fuel storage tank rises, described air bubble expands and makes described ball fractured, in order to allow described release plunger to move to open position when described ball fractured from closed position;And
Pressure transducer, it is with described activation mechanisms combine so that when detect in described fuel storage tank the pressure of fluid with
(a) by described release plunger be applied to pressure on described ball and
B () is applied to the pressure in described release plunger due to the pressure in described fuel storage tank
In at least one between pressure differential time, produce the instruction that is weakened to provide the motion of described release plunger of signal.
7. the method for monitoring the temperature, pressure bleeder in high pressure storage vessel, including:
Fuel storage tank stores gas;
The movement of release plunger is determined by detection gas in described fuel storage tank and the pressure differential between the pressure in temperature, pressure bleeder, wherein, described temperature, pressure bleeder and described fuel storage tank fluid communication, and include the pressure transducer of adjacent positioned, release plunger and liquid filling ball;Wherein, described pressure transducer is filled between ball in described release plunger and described liquid.
8. the method for monitoring the temperature, pressure bleeder in high pressure storage vessel, including:
Fuel storage tank stores gas;
The movement of release plunger is determined by detection gas in described fuel storage tank and the pressure differential between the pressure in temperature, pressure bleeder, wherein, described temperature, pressure bleeder and described fuel storage tank fluid communication, and include the pressure transducer of adjacent positioned, release plunger and liquid filling ball;Wherein, described liquid fills ball between described pressure transducer and described piston.
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